Home / 27,933,887,769.50-38,599,189,993.19-19,891,265,424.51

Finding the Fourth Proportional to 27,933,887,769.50, 38,599,189,993.19 and 19,891,265,424.51

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Solution

The fourth proportional to 27,933,887,769.50, 38,599,189,993.19 and 19,891,265,424.51 is: 27,485,853,013.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,933,887,769.50 : 38,599,189,993.19 = 19,891,265,424.51 : x
  2. Step 2: Convert to fraction form
    27,933,887,769.50/38,599,189,993.19 = 19,891,265,424.51/x
  3. Step 3: Cross multiply
    27,933,887,769.50x = 38,599,189,993.19 × 19,891,265,424.51
  4. Step 4: Simplify right side
    27,933,887,769.50x = 767,786,733,325,826,785,280
  5. Step 5: Solve for x
    x = 767,786,733,325,826,785,280/27,933,887,769.50
  6. Step 6: Final answer
    x = 27,485,853,013.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.